add rcv_nxt, snd_nxt, and toe offload id to FreeBSD-specific

extension fields for tcp_info

2 files changed, 12 insertions, 2 deletions

diff --git a/sys/netinet/tcp.h b/sys/netinet/tcp.h
index 0ba98b4..03b8bf6 100644
--- a/sys/netinet/tcp.h
+++ b/sys/netinet/tcp.h
@@ -157,6 +157,7 @@ struct tcphdr {
 #define	TCPI_OPT_SACK		0x02
 #define	TCPI_OPT_WSCALE		0x04
 #define	TCPI_OPT_ECN		0x08
+#define	TCPI_OPT_TOE		0x10
 
 /*
  * The TCP_INFO socket option comes from the Linux 2.6 TCP API, and permits
@@ -213,9 +214,12 @@ struct tcp_info {
 	/* FreeBSD extensions to tcp_info. */
 	u_int32_t	tcpi_snd_wnd;		/* Advertised send window. */
 	u_int32_t	tcpi_snd_bwnd;		/* Bandwidth send window. */
-
+	u_int32_t	tcpi_snd_nxt;		/* Next egress seqno */
+	u_int32_t	tcpi_rcv_nxt;		/* Next ingress seqno */
+	u_int32_t	tcpi_toe_tid;		/* HWTID for TOE endpoints */
+	
 	/* Padding to grow without breaking ABI. */
-	u_int32_t	__tcpi_pad[32];		/* Padding. */
+	u_int32_t	__tcpi_pad[29];		/* Padding. */
 };
 #endif
 
diff --git a/sys/netinet/tcp_usrreq.c b/sys/netinet/tcp_usrreq.c
index 6a68337..b57f25c 100644
--- a/sys/netinet/tcp_usrreq.c
+++ b/sys/netinet/tcp_usrreq.c
@@ -1229,8 +1229,14 @@ tcp_fill_info(struct tcpcb *tp, struct tcp_info *ti)
 	 * FreeBSD-specific extension fields for tcp_info.
 	 */
 	ti->tcpi_rcv_space = tp->rcv_wnd;
+	ti->tcpi_rcv_nxt = tp->rcv_nxt;
 	ti->tcpi_snd_wnd = tp->snd_wnd;
 	ti->tcpi_snd_bwnd = tp->snd_bwnd;
+        ti->tcpi_snd_nxt = tp->snd_nxt;
+        ti->__tcpi_snd_mss = tp->t_maxseg;
+        ti->__tcpi_rcv_mss = tp->t_maxseg;
+        if (tp->t_flags & TF_TOE)
+                ti->tcpi_options |= TCPI_OPT_TOE;
 }
 
 /*